Pith Number

pith:GHH4RWAS

pith:2022:GHH4RWASPD6R2A6RYXYPBKEGIP

not attested not anchored not stored refs pending

Passive Bias-Free Nonreciprocal Metasurfaces Based on Nonlinear Quasi-Bound States in the Continuum

Albert Polman, Andrea Al\`u, Andrea Cordaro, Dimitrios L. Sounas, Michele Cotrufo

arxiv:2210.05586 v2 · 2022-10-11 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHH4RWASPD6R2A6RYXYPBKEGIP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T07:20:48.685037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31cfc8d81278fd1d03d1c5f0f0a88643cc3c76992944b9b1e2c9bb8ddd52a2e2

Aliases

arxiv: 2210.05586 · arxiv_version: 2210.05586v2 · doi: 10.48550/arxiv.2210.05586 · pith_short_12: GHH4RWASPD6R · pith_short_16: GHH4RWASPD6R2A6R · pith_short_8: GHH4RWAS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GHH4RWASPD6R2A6RYXYPBKEGIP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 31cfc8d81278fd1d03d1c5f0f0a88643cc3c76992944b9b1e2c9bb8ddd52a2e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e6293a7b0f4add39dffb27846d9b57e8fd34603da84454742a400e0073488cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-10-11T16:19:21Z",
    "title_canon_sha256": "994dc8cf7fc2824b375114a7c7ca7224ad1e7d7880f3fb4542f3f4d1db84c277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.05586",
    "kind": "arxiv",
    "version": 2
  }
}